A-LevelBiologyNucleic acids and protein synthesisMay/June 2023Paper 1 Q231 Mark
Which statement about mRNA is correct?
AIt is a polymer made of nucleotides all joined with hydrogen bonds.
BEach nucleotide subunit contains the sugar ribose.
CIt always has an equal proportion of adenine and uracil.
DThe mRNA sequence is identical to the template strand of DNA.
✓ Correct Answer
The correct answer is B. This question tests the candidate's understanding of nucleic acids and protein synthesis within the Biologysyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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